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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellenanlagen mit bevorzugten Sprechstellen fuer Einzel- und Konferenzverbindungen
摘要
申请公布号
DE1029426(B)
申请公布日期
1958.05.08
申请号
DE1956S050166
申请日期
1956.08.30
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
KRAUST RUDOLF;MASSOW GUENTER
分类号
H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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